    *{margin: 0;
        padding: 0;
        box-sizing: border-box;}
    body{
        width: 100%;
        height: 700px;
        background: url('https://gimg2.baidu.com/image_search/src=http%3A%2F%2Fimg.jj20.com%2Fup%2Fallimg%2F711%2F092G3114244%2F13092G14244-2-1200.jpg&refer=http%3A%2F%2Fimg.jj20.com&app=2002&size=f9999,10000&q=a80&n=0&g=0n&fmt=auto?sec=1658190938&t=9828ea92e452c22e46db613894ef2d9e') no-repeat;
        background-size:cover;
        position: relative;
    }
    li{
        list-style: none;
    }
    a{
        text-decoration: none;
    }
    /* 标题 */
    .car_name{
        position: absolute;
        width: 100%;
        height: 60px;
        background-color: rgba(0, 0, 0, 0.3);
        color: white;
        text-align: center;
        line-height: 60px;
        /* 字间距 */
        letter-spacing: 2px;
        font-family: monospace,Arial, "Helvetica Neue", Helvetica, sans-serif;
    }
    /* 登录窗口 */
    .login_in{
        position: absolute;
        left: 50%;
        top: 50%;
        transform: translate(-50%,-50%);
        width: 350px;
        height: 325px;
        border-radius: 5px;
        background-color: #eee;
    }
    .login_in ul{
        position: absolute;
        left: 50%;
        top: 50%;
        transform: translate(-50%,-50%);
        width: 320px;
        height: 300px;
        padding-top: 10px;
        text-align: center;
        line-height: 45px;
        /* background-color: antiquewhite; */
    }
    .login_in ul  img{
        width: 60px;
        height: 60px;
    }
    .login_in ul h4 span{
        font-size: 18px;
    }
    .login_in ul li input{
        width: 280px;
        height: 40px;
        border: none;
        border-radius: 3px;
        outline: none;
        box-shadow: 0px 0px 3px #11438c inset;
    }
    .login_in ul li input:hover{
        border-bottom: 2px solid #11438c !important;}
    .login_in ul li input::placeholder{
        font-size: 10px;
        padding-left: 10px;
    }
    .login input  {
        background-color: #468ad0;
        color: aliceblue;
        letter-spacing: 2px;
        font-weight: bold;
        border: 0;
    }
    .login input:hover{
        background-color: #11438c;
    }
	.login_in a{
        color: #11438c;
    }
	.login_in a:hover{
		color:red;
		text-decoration:underline;
       
    }